DE29724169U1 - Device for determining particle sizes and particle speeds - Google Patents

Device for determining particle sizes and particle speeds

Info

Publication number
DE29724169U1
DE29724169U1 DE29724169U DE29724169U DE29724169U1 DE 29724169 U1 DE29724169 U1 DE 29724169U1 DE 29724169 U DE29724169 U DE 29724169U DE 29724169 U DE29724169 U DE 29724169U DE 29724169 U1 DE29724169 U1 DE 29724169U1
Authority
DE
Germany
Prior art keywords
vessel
particle
optical components
detector
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE29724169U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forschungszentrum Karlsruhe GmbH
Original Assignee
Forschungszentrum Karlsruhe GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Forschungszentrum Karlsruhe GmbH filed Critical Forschungszentrum Karlsruhe GmbH
Priority to DE29724169U priority Critical patent/DE29724169U1/en
Priority claimed from DE19724364A external-priority patent/DE19724364C2/en
Publication of DE29724169U1 publication Critical patent/DE29724169U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/14—Rainfall or precipitation gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/7086—Measuring the time taken to traverse a fixed distance using optical detecting arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
    • G01N2015/1027—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N2015/1493—Particle size

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (4)

1. Vorrichtung zur Ermittlung von Partikelgrößen und Partikel­ geschwindigkeiten bestehend aus:
  • a) einer Lichtquelle (1), optischen Bauteilen (8, 9) und ei­ nem Detektor (2), wobei das Licht der Lichtquelle (1) mit Hilfe der optischen Bauteile (8, 9) auf den Detektor (2) abgebildet und derart geformt wird, dass es ein quader­ förmiges Volumen (3) durchstrahlt und
  • b) einer Auswerteeinheit zur Auswertung des Detektorsignals.
1. Device for determining particle sizes and particle speeds consisting of:
  • a) a light source ( 1 ), optical components ( 8 , 9 ) and egg nem detector ( 2 ), the light of the light source ( 1 ) with the help of the optical components ( 8 , 9 ) on the detector ( 2 ) and such is shaped so that it shines through a cuboid volume ( 3 ) and
  • b) an evaluation unit for evaluating the detector signal.
2. Vorrichtung nach Anspruch 1 dadurch gekennzeichnet, dass sie in einem oben offenen Gefäß derart gehaltert ist, dass das quaderförmig durchstrahlte Volumen (3) mindestens einen Teil der lichten Öffnung des Gefäßes einnimmt.2. Device according to claim 1, characterized in that it is held in a vessel open at the top in such a way that the cuboid volume ( 3 ) occupies at least part of the clear opening of the vessel. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Gefäß ein Behälter ist, wie er Üblicherweise zur Be­ stimmung der Regenmenge eingesetzt wird.3. Device according to claim 1 or 2, characterized in that the vessel is a container, as is usually used for loading rain quantity is used. 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch ge­ kennzeichnet, dass die optischen Bauteile (8, 9) so angeord­ net sind, dass der Lichtstrahl im Bereich der optischen Bau­ teile in Richtung senkrecht zur Gefäßöffnung verläuft und dass der Lichtstrahl mit Hilfe von Umlenkspiegeln (10) im Be­ reich des quaderförmig durchstrahlten Volumens (3) parallel zur Öffnung des Gefäßes geführt wird.4. Device according to one of claims 1 to 3, characterized in that the optical components ( 8 , 9 ) are angeord net that the light beam in the area of the optical construction parts in the direction perpendicular to the vessel opening and that the light beam with the help of deflecting mirrors ( 10 ) in the area of the cuboid radiating volume ( 3 ) is guided parallel to the opening of the vessel.
DE29724169U 1997-06-10 1997-06-10 Device for determining particle sizes and particle speeds Expired - Lifetime DE29724169U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29724169U DE29724169U1 (en) 1997-06-10 1997-06-10 Device for determining particle sizes and particle speeds

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19724364A DE19724364C2 (en) 1997-06-10 1997-06-10 Method and device for determining particle sizes and particle velocities
DE29724169U DE29724169U1 (en) 1997-06-10 1997-06-10 Device for determining particle sizes and particle speeds

Publications (1)

Publication Number Publication Date
DE29724169U1 true DE29724169U1 (en) 2000-04-13

Family

ID=26037299

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29724169U Expired - Lifetime DE29724169U1 (en) 1997-06-10 1997-06-10 Device for determining particle sizes and particle speeds

Country Status (1)

Country Link
DE (1) DE29724169U1 (en)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000518

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20001213

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20030404

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20050907

R071 Expiry of right